Refrigerator



FIG. 1 is a perspective view of a refrigerator, showing our new design in an exemplary embodiment;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view -thereof;

FIG. 5 is a another side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken-line disclosure in the views is generally understood to form part of the environment in which the claimed design is embodied and to form no part of the claimed design. 

CLAIM We claim, the ornamental design for a refrigerator, as shown and described. 